# 21876479 Sensor | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta Coolant Level Sensor - Part Number: 21876479

  

A genuine coolant level sensor used in the expansion tank on Volvo Penta TAD5 and TAD7 industrial engines.

  

⚙️ Key Features

  

• Factory-calibrated electrical characteristics

• Sealed engine-grade connector or housing

• Supports control, monitoring and protection functions

• Model- and software-specific operation where applicable

• Direct replacement for the exact catalogued component

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 21876479 (current OEM reference)

  

OEM / Related Numbers:

  

• Deutz: 04218081

• Deutz: 01181474

  

Aftermarket / Verified Equivalents:

  

• FridayParts: replacement coolant-level sensor for 21876479 / 04218081 / 01181474

  

🚤 Compatibility

  

Commonly used on:

  

• Volvo Penta TAD5 and TAD7 industrial diesel systems

  

Typically suits:

  

• Engine / drive models:

• TAD520GE, TAD530GE, TAD531GE, TAD532GE

• TAD550GE, TAD551GE

• TAD720GE, TAD721GE, TAD722GE

• TAD730GE, TAD731GE, TAD732GE, TAD733GE

  

• HP Range: Approximately 160HP - 330HP, depending on rating

• Engine Type: Four- or six-cylinder turbocharged industrial diesel

• Year Range: Approximately 2005 - 2021

• Serial / Fitment Note: Confirm the complete engine, drive or equipment product number and serial number before ordering.

  

🔌 Function

  

Converts the assigned operating condition into an electrical signal or processes that signal for the engine-control, display and protection system.

  

Common signs of failure:

  

• Incorrect, unstable or missing data

• Implausible-signal or communication fault code

• Engine warning, derate or shutdown

• Open circuit, short circuit or internal electronic failure

• Moisture, corrosion or heat damage at the connector or housing

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 639.65 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 639.65 AUD | In stock |

## Images

- 21876479 Sensor | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21876479-sensor-genuine-volvo-penta)
> Updated: 2026-08-03